Iris Plus Graphics 640 vs UHD Graphics G1 Ice Lake 32 EU

If you are going to buy a new graphics card and are choosing between Iris Plus Graphics 640 and UHD Graphics G1 Ice Lake 32 EU, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Plus Graphics 640 stacks up against UHD Graphics G1 Ice Lake 32 EU, check out specs charts below.

Iris Plus Graphics 640 and UHD Graphics G1 Ice Lake 32 EU are Laptop Graphics Cards

Note: Iris Plus Graphics 640 and UHD Graphics G1 Ice Lake 32 EU are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Iris Plus Graphics 640 or UHD Graphics G1 Ice Lake 32 EU here:

Main Specs

  Iris Plus Graphics 640 UHD Graphics G1 Ice Lake 32 EU
Power consumption (TDP) 15 Watt
Interface PCIe 3.0 x1
Memory type DDR3L/LPDDR3/DDR4 DDR4
Maximum RAM amount 32 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Iris Plus Graphics 640 is build with Gen. 9.5 Kaby Lake architecture, and UHD Graphics G1 Ice Lake 32 EU - with Gen. 11 Ice Lake.
  • Both graphics cards have the same core clock speed.
  • Iris Plus Graphics 640 is manufactured by 14 nm process technology, and UHD Graphics G1 Ice Lake 32 EU - by 10 nm process technology.

Game benchmarks

high / 1080p 6−7 6−7
ultra / 1080p 4−5 4−5
QHD / 1440p 0−1 0−1
low / 720p 16−18 16−18
medium / 1080p 8−9 8−9
Iris Plus Graphics 640 and UHD Graphics G1 Ice Lake 32 EU have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Iris Plus Graphics 640 UHD Graphics G1 Ice Lake 32 EU
Architecture Gen. 9.5 Kaby Lake Gen. 11 Ice Lake
Code name Kaby Lake GT3e Ice Lake G1 Gen. 11
Type Laptop Laptop
Release date 3 January 2017 28 May 2019
Pipelines 48 32
Core clock speed 300 MHz 300 MHz
Boost Clock 1050 MHz 1100 MHz
Transistor count 189 million
Manufacturing process technology 14 nm 10 nm
Texture fill rate 52.80
Memory bus width 64/128 Bit
Shared memory + +
DirectX 12 (12_1) DirectX 12_1
Shader Model 6.4
OpenGL 4.6
OpenCL 2.1
Vulkan 1.1.103
Quick Sync + +
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